EP0567941A3 - Optical power limiting amplifier - Google Patents

Optical power limiting amplifier Download PDF

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Publication number
EP0567941A3
EP0567941A3 EP19930106594 EP93106594A EP0567941A3 EP 0567941 A3 EP0567941 A3 EP 0567941A3 EP 19930106594 EP19930106594 EP 19930106594 EP 93106594 A EP93106594 A EP 93106594A EP 0567941 A3 EP0567941 A3 EP 0567941A3
Authority
EP
European Patent Office
Prior art keywords
optical power
limiting amplifier
power limiting
amplifier
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19930106594
Other versions
EP0567941A2 (en
EP0567941B1 (en
Inventor
Richard Ian Laming
Machael Nickolaos Zervas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pirelli Cavi SpA filed Critical Pirelli Cavi SpA
Publication of EP0567941A2 publication Critical patent/EP0567941A2/en
Publication of EP0567941A3 publication Critical patent/EP0567941A3/en
Application granted granted Critical
Publication of EP0567941B1 publication Critical patent/EP0567941B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06779—Fibre amplifiers with optical power limiting
EP93106594A 1992-04-27 1993-04-23 Optical power limiting amplifier Expired - Lifetime EP0567941B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9209095A GB2266620B (en) 1992-04-27 1992-04-27 Optical power limited amplifier
GB9209095 1992-04-27

Publications (3)

Publication Number Publication Date
EP0567941A2 EP0567941A2 (en) 1993-11-03
EP0567941A3 true EP0567941A3 (en) 1993-12-29
EP0567941B1 EP0567941B1 (en) 1996-06-12

Family

ID=10714636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93106594A Expired - Lifetime EP0567941B1 (en) 1992-04-27 1993-04-23 Optical power limiting amplifier

Country Status (6)

Country Link
US (1) US5579153A (en)
EP (1) EP0567941B1 (en)
CA (1) CA2094870C (en)
DE (1) DE69303112T2 (en)
ES (1) ES2090761T3 (en)
GB (1) GB2266620B (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9318688D0 (en) * 1993-09-09 1993-10-27 Northern Telecom Ltd Optical amplifiers
JP3195160B2 (en) 1994-05-06 2001-08-06 株式会社日立製作所 Optical amplifier
PE41196A1 (en) * 1994-07-25 1996-12-17 Pirelli Cavi Spa AMPLIFIED TELECOMMUNICATION SYSTEM FOR MULTIPLEX TRANSMISSIONS BY WAVE LENGTH DIVISION, ABLE TO LIMIT THE VARIATIONS IN THE OUTPUT POWER
JPH08278523A (en) 1995-04-05 1996-10-22 Hitachi Ltd Light amplifier
JP2846291B2 (en) * 1995-08-24 1999-01-13 松下電器産業株式会社 Intermediate isolator type optical fiber amplifier and optical fiber transmission system
JP2928149B2 (en) * 1995-12-14 1999-08-03 日本電気株式会社 Optical fiber amplifier
WO1997039460A1 (en) * 1996-04-16 1997-10-23 Atx Telecom Systems, Inc. Lasers diode pump with optical fiber filter
CA2205705A1 (en) * 1996-06-26 1997-12-26 Franklin W. Kerfoot, Iii Arrangement for reducing insertion loss impairment of optical amplifiers
IT1283372B1 (en) 1996-07-31 1998-04-17 Pirelli Cavi S P A Ora Pirelli DEVICE FOR THE INSERTION AND EXTRACTION OF OPTICAL SIGNALS
IT1283373B1 (en) 1996-07-31 1998-04-17 Pirelli Cavi S P A Ora Pirelli BIDIRECTIONAL MULTI-CHANNEL OPTICAL TELECOMMUNICATION SYSTEM
US5892615A (en) * 1997-03-17 1999-04-06 Sdl, Inc. Output power enhancement in optical fiber lasers
US6384964B1 (en) * 1999-01-27 2002-05-07 The Furukawa Electric Co., Ltd. Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer
US6381065B1 (en) 1999-03-26 2002-04-30 Tycom (Us) Inc. Optical pump unit for an optical amplifier
US6552844B2 (en) 2001-06-01 2003-04-22 Agere Systems Guardian Corp. Passively output flattened optical amplifier
US11609336B1 (en) 2018-08-21 2023-03-21 Innovusion, Inc. Refraction compensation for use in LiDAR systems
WO2014197780A1 (en) * 2013-06-06 2014-12-11 The Regents Of The University Of California Low-noise microwave-frequency generator
US9680283B2 (en) * 2013-12-20 2017-06-13 Oplink Communications, Llc Switchable-gain optical amplifier
EP3563180A4 (en) 2016-12-30 2020-08-19 Innovusion Ireland Limited Multiwavelength lidar design
US10942257B2 (en) 2016-12-31 2021-03-09 Innovusion Ireland Limited 2D scanning high precision LiDAR using combination of rotating concave mirror and beam steering devices
WO2018129408A1 (en) 2017-01-05 2018-07-12 Innovusion Ireland Limited Method and system for encoding and decoding lidar
US11009605B2 (en) 2017-01-05 2021-05-18 Innovusion Ireland Limited MEMS beam steering and fisheye receiving lens for LiDAR system
WO2019079642A1 (en) 2017-10-19 2019-04-25 Innovusion Ireland Limited Lidar with large dynamic range
WO2019139895A1 (en) 2018-01-09 2019-07-18 Innovusion Ireland Limited Lidar detection systems and methods that use multi-plane mirrors
US11675050B2 (en) 2018-01-09 2023-06-13 Innovusion, Inc. LiDAR detection systems and methods
US11927696B2 (en) 2018-02-21 2024-03-12 Innovusion, Inc. LiDAR systems with fiber optic coupling
US11391823B2 (en) 2018-02-21 2022-07-19 Innovusion, Inc. LiDAR detection systems and methods with high repetition rate to observe far objects
WO2020013890A2 (en) 2018-02-23 2020-01-16 Innovusion Ireland Limited Multi-wavelength pulse steering in lidar systems
US11422234B2 (en) 2018-02-23 2022-08-23 Innovusion, Inc. Distributed lidar systems
US11567182B2 (en) 2018-03-09 2023-01-31 Innovusion, Inc. LiDAR safety systems and methods
US11289873B2 (en) * 2018-04-09 2022-03-29 Innovusion Ireland Limited LiDAR systems and methods for exercising precise control of a fiber laser
WO2019199796A1 (en) 2018-04-09 2019-10-17 Innovusion Ireland Limited Compensation circuitry for lidar receiver systems and method of use thereof
US11675053B2 (en) 2018-06-15 2023-06-13 Innovusion, Inc. LiDAR systems and methods for focusing on ranges of interest
US11860316B1 (en) 2018-08-21 2024-01-02 Innovusion, Inc. Systems and method for debris and water obfuscation compensation for use in LiDAR systems
US11579300B1 (en) 2018-08-21 2023-02-14 Innovusion, Inc. Dual lens receive path for LiDAR system
US11796645B1 (en) 2018-08-24 2023-10-24 Innovusion, Inc. Systems and methods for tuning filters for use in lidar systems
US11614526B1 (en) 2018-08-24 2023-03-28 Innovusion, Inc. Virtual windows for LIDAR safety systems and methods
US11579258B1 (en) 2018-08-30 2023-02-14 Innovusion, Inc. Solid state pulse steering in lidar systems
CN113167866A (en) 2018-11-14 2021-07-23 图达通爱尔兰有限公司 LIDAR system and method using polygon mirror
CN113302515A (en) 2019-01-10 2021-08-24 图达通爱尔兰有限公司 LIDAR system and method with beam steering and wide-angle signal detection
US11486970B1 (en) 2019-02-11 2022-11-01 Innovusion, Inc. Multiple beam generation from a single source beam for use with a LiDAR system
US11921234B2 (en) 2021-02-16 2024-03-05 Innovusion, Inc. Attaching a glass mirror to a rotating metal motor frame
US11422267B1 (en) 2021-02-18 2022-08-23 Innovusion, Inc. Dual shaft axial flux motor for optical scanners
EP4260086A1 (en) 2021-03-01 2023-10-18 Innovusion, Inc. Fiber-based transmitter and receiver channels of light detection and ranging systems
US11555895B2 (en) 2021-04-20 2023-01-17 Innovusion, Inc. Dynamic compensation to polygon and motor tolerance using galvo control profile
US11614521B2 (en) 2021-04-21 2023-03-28 Innovusion, Inc. LiDAR scanner with pivot prism and mirror
US11662439B2 (en) 2021-04-22 2023-05-30 Innovusion, Inc. Compact LiDAR design with high resolution and ultra-wide field of view
US11624806B2 (en) 2021-05-12 2023-04-11 Innovusion, Inc. Systems and apparatuses for mitigating LiDAR noise, vibration, and harshness
US11662440B2 (en) 2021-05-21 2023-05-30 Innovusion, Inc. Movement profiles for smart scanning using galvonometer mirror inside LiDAR scanner
US11768294B2 (en) 2021-07-09 2023-09-26 Innovusion, Inc. Compact lidar systems for vehicle contour fitting
US11871130B2 (en) 2022-03-25 2024-01-09 Innovusion, Inc. Compact perception device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1237980B (en) * 1990-02-12 1993-06-19 Pirelli Cavi Spa CURVED SINGLE-MODE ACTIVE FIBER OPTICAL AMPLIFIER
US5233463A (en) * 1990-07-16 1993-08-03 Pirelli Cavi S.P.A. Active fiber optical amplifier for a fiber optics telecommunication line
US5155621A (en) * 1990-07-31 1992-10-13 Fujitsu Limited Optical fiber amplifier
US5117303A (en) * 1990-08-23 1992-05-26 At&T Bell Laboratories Method of operating concatenated optical amplifiers
US5131069A (en) * 1991-08-12 1992-07-14 Corning Incorporated Fiber amplifier having modified gain spectrum
US5177634A (en) * 1991-10-25 1993-01-05 Bell Communications Research, Inc. High gain limiting erbium-doped fiber amplifier with wide dynamic range
US5155780A (en) * 1992-01-27 1992-10-13 At&T Bell Laboratories Optical limiting amplifier
GB2264807B (en) * 1992-02-20 1995-10-04 Univ Southampton Optical amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
W.I.WAY ET AL: "Optical power limiting amplifier and its application in an SONET self-healing ring network", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 10, no. 2, February 1992 (1992-02-01), NEW YORK US, pages 206 - 213, XP000267494 *

Also Published As

Publication number Publication date
DE69303112D1 (en) 1996-07-18
GB2266620B (en) 1996-08-28
EP0567941A2 (en) 1993-11-03
ES2090761T3 (en) 1996-10-16
CA2094870C (en) 2002-10-22
DE69303112T2 (en) 1997-02-06
GB9209095D0 (en) 1992-06-10
GB2266620A (en) 1993-11-03
US5579153A (en) 1996-11-26
CA2094870A1 (en) 1993-10-28
EP0567941B1 (en) 1996-06-12

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